This dataset contains the underway data collected during the Aurora Australis Voyage 4 2002-03. This voyage undertook extensive marine science activities North of Mawson. Mawson Harbour was visited twice during the cruise and Davis fly off position was reached once. Underway (meteorological, fluorometer, thermosalinograph and bathymetric) data are available online via the Australian Antarctic Division Data Centre web page (or via the Related URL section). For further information, see the Marine Science Support Data Quality Report at the Related URL section.